Radiant|Lab Grown|IGI

4.05ct E IF Radiant Lab Grown Diamond

GD • E/IF • IGI LG662415764

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG662415764

Diamond specifications and retailer prices

From $2,328 CAD
$1,663 USD
As of October 27, 2026
Save $12,341 CAD (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $14,669 CAD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 4.05ct lab-grown radiant diamond

This 4.05ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG662415764 or 662415764. Listed at 23 retailers as of October 27, 2026, with prices from $2,328 to $14,669, a $12,341 spread on the same certified stone. Diamond Quarter lists it at $14,669. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.05
Carat
E
Color
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662415764
Dimensions11.58 × 7.80 × 5.18 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.58 mm7.80 mm4.05 ctE / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662415764
Side View
Table 66.0%Crown 38.5°Girdle: MED-STKPavilion 33.5°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $3,815 CAD|Low: $2,302 CAD|High: $13,229 CAD|Avg: $5,796 CAD|-6.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 29, 2026
Retailer 7$2,328 CAD
Retailer 4$2,532 CAD
Retailer 8$2,606 CAD
Retailer 12$2,700 CAD
Retailer 5$2,939 CAD
Retailer 17$3,030 CAD
Retailer 18$3,117 CAD
Retailer 1$3,815 CAD
Retailer 10$3,860 CAD
Retailer 13$4,796 CAD
Retailer 19$5,061 CAD
Retailer 3$5,588 CAD
Retailer 15$5,747 CAD
Retailer 11$5,970 CAD
Retailer 6$7,275 CAD
Retailer 2$7,418 CAD
Retailer 16$7,752 CAD
Retailer 21$7,823 CAD
Retailer 20$8,824 CAD
Retailer 9$9,476 CAD
Retailer 14$13,229 CAD

38 data points across 21 retailers

23 retailers$2,328 CAD to $14,669 CAD

A
Cheapest Retailer
-
$2,328 CAD
$1,663 USD
A
Retailer 2
-
$2,532 CAD
$1,809 USD
View
A
Retailer 3
-
$2,606 CAD
$1,862 USD
View
Final sale: no returns
A
Retailer 4
-
$2,700 CAD
$1,929 USD
View
A
Retailer 5
-
$2,782 CAD
$1,988 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$2,939 CAD
$2,100 USD
View
A
Retailer 7
-
$3,030 CAD
$2,165 USD
View
A
Retailer 8
-
$3,117 CAD
HK$17,400 HKD
View
A
Retailer 9
-
$3,815 CAD
£2,146 GBP
View
A
Retailer 10
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$3,860 CAD
$2,758 USD
View
A
Retailer 11
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$4,796 CAD
$3,427 USD
View
A
Retailer 12
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$5,061 CAD
$3,616 USD
View
A
Retailer 13
-
$5,588 CAD
£3,144 GBP
View
A
Retailer 14
-
$5,747 CAD
ZAR 66,331 ZAR
View
A
Retailer 15
-
$5,970 CAD
A$6,562 AUD
View
Price last confirmed 7 days ago
A
Retailer 16
-
$7,275 CAD
$5,198 USD
View
B+
Retailer 17
-
$7,418 CAD
$5,300 USD
View
A
Retailer 18
-
$7,752 CAD
£4,361 GBP
View
B+
Retailer 19
-
$7,823 CAD
$5,589 USD
View
B+
Retailer 20
-
$8,824 CAD
$6,305 USD
View
B+
Retailer 21
-
$9,476 CAD
$6,770 USD
View
B
Retailer 22
-
$13,229 CAD
A$14,542 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
Diamond Quarter
4.05IFELG649FD0N · Oct 29
$14,669 CAD
£8,253 GBP
View
22 more retailers have this diamond
Prices start from $2,328 CADSave up to $12,341 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.05ct Radiant
$2,328 CAD